Answered

Which factor contributed to the entry of the United States into World War I?

the imminent collapse of the Allies’ defenses

German submarine attacks on American ships \

overwhelming public support for the war effort

Mexico’s declaration of war on the United States

Verified Answer :

the answer is B German submarine attacks on American ships

emilyadalex

Answer:

German submarine attacks on American ships

Explanation:

When the WWI began, the U.S. decided to maintain its isolationist policy, however, the continuous use of submarine warfare by Germany in the North Atlantic and the Mediterranean that put American ships and citizens at risk and caused the sinking of several ships caused tension to increase between both nations and brought the U.S. closer into the war.

On January 31, 1917, when Germany formally announced its unrestricted submarine warfare policy, the U.S. finally determined to end diplomatic relations with Germany and entered into World War I on the side of the Allies in April.

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